Create matrix based on the row numbers

Matrix A as follows:

A = [
1
3
4
7
];

Matrix B as follows:

B = [
186691
186242
106221
176882
179562
156792
155692
158642
155785
157852
];

I want to create matrix C as follow where matrix A is the selected row numbers of matrix B.

C = [
186691
106221
176882
155692
];

Answer 1

[Andrei Bobrov]

C = B(A);